Free Notes for Class 5–12 | CBSE | 24x7 Access
Student School Teacher Help
Home Schools Pricing
Log in Get Started
Class 10 Science Medium Mcq English Medium

Which statement correctly compares the twinkling behaviour of stars versus planets, per the chapter? they are seen as extended sources

Question
Which statement correctly compares the twinkling behaviour of stars versus planets, per the chapter? they are seen as extended sources
Both stars and planets twinkle equally
Stars twinkle because they are effectively point sources; planets do not twinkle because
Neither stars nor planets twinkle
Planets twinkle more than stars because they are closer to Earth
Answer
Stars twinkle because they are effectively point sources; planets do not twinkle because
Detailed Explanation
This is the chapter's direct explanation: point-source stars twinkle due to atmospheric refraction fluctuations, while extended-source planets do not, since the fluctuations average out.
Related Questions
The human eye is often compared to a Science · The Human Eye and the Colourful World The light-sensitive screen inside the eye on which the eye's lens system forms an image is called th... Science · The Human Eye and the Colourful World Light enters the human eye through a thin membrane called the Science · The Human Eye and the Colourful World The cornea forms the transparent bulge on the front surface of the Science · The Human Eye and the Colourful World

Want the full Science question bank?

Log in for free to unlock practice tests, notes, and an AI tutor for Class 10.

Get started free